1. 4 2 1 3 1. Which part (#) adjusts the height of the flame?
#3 gas adjustment valve 2 1 3
2. Which part (#) controls the color of the flame?
Which # refers to the gas inlet? 1
2 – air inlet

2. Identify the hottest part of the flame (#)?
Flame Testing Lab
Describe a hot flame.
A light blue flame (cone-shaped) inside a darker blue flame.
NO yellow flame visible.
Identify the hottest part of the flame (#)?
# 2

3. Match the terms that best fit together.
Substance
Mixture
Solution
Compound
Substances include Compounds
Mixtures include Solutions

4. WORD BANK
Colloid Compound Element Heterogeneous Homogeneous Matter Mixture Solution Substance
Suspension 3 2 1
A type of matter / Can be separated by a physical means
A substance that contains only one kind of matter.
The Tyndall Effect is a test done to visually distinguish between a _________ and a solution.
4. (not from word bank) Give an example of a compound._____________
Water

5. WORD BANK
Colloid Compound Element Heterogeneous Homogeneous Matter Mixture Solution Substance
Suspension 3 1 2
A mixture of 2 or more substances that is homogenous at the molecular level.
A type of mixture in which the particles are larger in size.
A mixture in which every sample of it has a different composition
The ink from the lab is what type mixture homogenous or heterogeneous?
homogeneous

6. Match the terms that best fit together.
Substance
Mixture
Solution
Compound
Substances include Compounds
Mixtures include Solutions

7. D C B A 2 1. How many liquids are in this solution?
2. Where is “solution X” boiling?
3. Where has ALL of “solution x” become a gas?
B and D D D C B A

8. A B D C E C Additional Problems: Changes in Phase Involving Solids
A solid + energy  liquid
B liquid  solid + energy (out)
C solid + energy (in)  vapor
D solid + energy (in)   liquid
E vapor  solid + energy
ice melting at 0 C
water freezing at 0 C
3. a mixture of ice and water whose relative amounts remain unchanged
4. a particle escaping from a solid and
becoming a vapor particle
Snowing on EXTREME cold day
6. dry ice sublimating A B D C E C